Question

sarah is given the numbers 4, 1, 2, and 4 to make 6. she has entered the following number sentence on her calculator. 4+(1+4)/2.

will she get the expected 6? if not, how can she correct her mistake?
show your work

Answer 1

Let's solve the number sentence step by step:

First, we solve the expressions inside the parentheses: 1 + 4 = 5.

Then, we divide 5 by 2: 5 / 2 = 2.5.

Finally, we add 4 to 2.5: 4 + 2.5 = 6.5.

Therefore, Sarah will not get the expected 6 with her current number sentence of 4 + (1 + 4) / 2. To correct her mistake, Sarah needs to change her number sentence.

One possible correct number sentence could be: (4 + 1 + 4) / 2.

Let's solve the corrected number sentence step by step:

First, we add 4, 1, and 4: 4 + 1 + 4 = 9.

Then, we divide 9 by 2: 9 / 2 = 4.5.

Therefore, by using the corrected number sentence, Sarah will get the expected 6 by calculating (4 + 1 + 4) / 2.